Stone per Cubic Centimeter (st/cm3) expresses mass in stone per unit volume in cubic centimeter, found by dividing a mass value by a volume value.
Stone per Cubic Centimeter to Carat per Cubic Millimeter
Convert stone per cubic centimeter (st/cm3) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
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Convert stone per cubic centimeter (st/cm3) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
ct/mm3 = st/cm3 × 31.751466
Results update instantly for Stone per Cubic Centimeter to Carat per Cubic Millimeter conversions.
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Formula
ct/mm3 = st/cm3 × 31.751466
st/cm3 = ct/mm3 × 0.031495
Conversion table
| 1 st/cm3 | 31.751466 ct/mm3 |
| 5 st/cm3 | 158.757329 ct/mm3 |
| 10 st/cm3 | 317.514659 ct/mm3 |
| 20 st/cm3 | 635.029318 ct/mm3 |
| 50 st/cm3 | 1587.573295 ct/mm3 |
| 100 st/cm3 | 3175.14659 ct/mm3 |
| 500 st/cm3 | 15875.73295 ct/mm3 |
| 1000 st/cm3 | 31751.4659 ct/mm3 |
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How the formula works
Both stone per cubic centimeter and carat per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in stone per cubic centimeter by 31.751466 to get carat per cubic millimeter. To reverse the conversion, multiply a carat per cubic millimeter value by 0.031495 to get back to stone per cubic centimeter.
Frequently asked questions
What is Stone per Cubic Centimeter (st/cm3)?
Stone per Cubic Centimeter (st/cm3) expresses mass in stone per unit volume in cubic centimeter, found by dividing a mass value by a volume value.
What is Carat per Cubic Millimeter (ct/mm3)?
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert stone per cubic centimeter to carat per cubic millimeter?
Multiply the stone per cubic centimeter value by 31.751466 to get the equivalent in carat per cubic millimeter. For example, 5 st/cm3 × 31.751466 = 158.757329 ct/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 31.751466 is an exact, non-rounded value.
Can I convert carat per cubic millimeter back to stone per cubic centimeter?
Yes. Divide the carat per cubic millimeter value by 31.751466, or multiply it by 0.031495, to get stone per cubic centimeter.
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About converting stone per cubic centimeter to carat per cubic millimeter
Stone per Cubic Centimeter (st/cm3) expresses mass in stone per unit volume in cubic centimeter, found by dividing a mass value by a volume value. Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between stone per cubic centimeter and carat per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.